160 participants scheduled for diagnostic MRI scans at Alberta Children's Hospital (ACH) will be recruited to undergo different training methods for MRI scanning. Group 1 will be sent links to online videos about MRI, audio files with scanner noises, and a children's book about MR scans, to prepare at home. Group 2 will receive training materials and visit the ACH to review them with the research team, but will not use the mock scanner. Group 3 will receive training materials and visit the ACH for training on the mock MR scanner. Visits to the mock scanner for Group 3 will include practice lying down, staying still, wearing headphones, and watching a movie on the mirror system. During and after training sessions, the investigators will collect data on total time spent preparing (mock scanner or other), the child's feelings of stress/worry before and after visit, and head motion during mock MRI session (if applicable).